Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

New and improved dispersion and recovery techniques for slurry phase catalysis. Quarterly report, October 1-December 31, 1985. [9-phenanthrol]

Technical Report ·
OSTI ID:6025151
Values of the equilibrium adsorptivity (K/sub i/) and surface reaction rate (k'/sub i/) for several model coal liquid compounds undergoing catalytic hydrogenation using Harshaw 0402T catalyst at 300/sup 0/C were obtained. The model compounds used were naphthalene, acenaphthene, phenanthrene, 1-acenaphthol, 9-phenanthrol, and quinoline. The values obtained at the conditions used imply that the hydrodenitrogenation (HDN) reaction of quinoline is an order of magnitude slower than both the hydrogenation (HYD) of naphthalene, phenanthrene, and acenaphtene, and hydrodeoxygenation (HDO) of 1-acenaphthol and 9-phenanthrol. Values for the equilibrium adsorptivities obtained indicate that the adsorptivity of quinoline is an order of magnitude greater than that of the others. The combination of these facts helps explain why quinoline retards the hydrogenation of naphthalene to a much greater extent than any of the other compounds. The methodology used to determine these values was: The probable hydrogenation, hydrodeoxygenation, or hydrodenitrogenation reaction pathway was identified from the literature or the experiment. Kinetic data, in the form of concentration vs. time, for the various reactions were taken using batch micro-reactors. Using a continuous hydrotreater a value for the steady state conversion of naphthalene was obtained. Using this value and data on the batch HYD of naphthalene values of k'/sub i/ and K/sub i/ for naphthalene were calculated. Using the continuous hydrotreater a new value for the steady state conversion of naphthalene was obtained using feed containing small quantities of a given model inhibitor. From these data, along with kinetic data for each model compound, values of the equilibrium adsorptivity and surface reaction rate for all other compounds were determined. 25 refs., 17 figs., 12 tabs.
Research Organization:
Auburn Univ., AL (USA). Coal Conversion Lab.
DOE Contract Number:
AC22-83PC60044
OSTI ID:
6025151
Report Number(s):
DOE/PC/60044-T7; ON: DE86007015
Country of Publication:
United States
Language:
English